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MAX803REXR+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX803REXR+T

Manufacturer: MAXIM

3-Pin Microprocessor Reset Circuits

Partnumber Manufacturer Quantity Availability
MAX803REXR+T MAXIM 314 In Stock

Description and Introduction

3-Pin Microprocessor Reset Circuits The **MAX803REXR+T** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Voltage Monitor / Supervisory Circuit  
- **Output Type:** Active-Low, Push-Pull Reset  
- **Reset Threshold Voltage Options:**  
  - 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory-set)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Timeout Period:** 140ms (min)  
- **Quiescent Current:** 5μA (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  

### **Descriptions:**
- The **MAX803REXR+T** is a low-power μP voltage monitor designed to ensure proper system operation during power-up, power-down, and brownout conditions.  
- It asserts a reset signal when the supply voltage drops below a preset threshold, preventing erratic behavior in microcontrollers or digital systems.  
- The device features a manual reset input (MR) for external triggering.  

### **Features:**
- **Precision Voltage Monitoring:** Guarantees reset assertion at a fixed threshold.  
- **Low Power Consumption:** 5μA typical supply current.  
- **No External Components Required:** Simplifies circuit design.  
- **Push-Pull RESET Output:** Eliminates the need for a pull-up resistor.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Small Form Factor:** Available in a compact SOT-23-3 package.  
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3-Pin Microprocessor Reset Circuits

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